Azure IoT / iothub_client

Microsoft Azure IoTHub client libraries

Dependents:   sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp f767zi_mqtt ... more

This library implements the Microsoft Azure IoTHub client library. The code is replicated from https://github.com/Azure/azure-iot-sdks

iothub_client_ll.c@9:3ec7e2695f98, 2015-09-22 (annotated)

Committer:
AzureIoTClient
Date:
Tue Sep 22 20:36:48 2015 -0700
Revision:
9:3ec7e2695f98
Parent:
1:bec6dd049b54
Child:
10:38383e246675
New release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 0:e393db310d89 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 0:e393db310d89 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 0:e393db310d89 3
AzureIoTClient 0:e393db310d89 4 #include <stdlib.h>
AzureIoTClient 0:e393db310d89 5 #ifdef _CRTDBG_MAP_ALLOC
AzureIoTClient 0:e393db310d89 6 #include <crtdbg.h>
AzureIoTClient 0:e393db310d89 7 #endif
AzureIoTClient 0:e393db310d89 8 #include "gballoc.h"
AzureIoTClient 0:e393db310d89 9 #include "string.h"
AzureIoTClient 0:e393db310d89 10 #include "string_tokenizer.h"
AzureIoTClient 0:e393db310d89 11
AzureIoTClient 0:e393db310d89 12 #include "iothub_client_ll.h"
AzureIoTClient 0:e393db310d89 13 #include "iothub_client_private.h"
AzureIoTClient 0:e393db310d89 14 #include "doublylinkedlist.h"
AzureIoTClient 1:bec6dd049b54 15 #include "version.h"
AzureIoTClient 0:e393db310d89 16
AzureIoTClient 0:e393db310d89 17 #include "iot_logging.h"
AzureIoTClient 0:e393db310d89 18
AzureIoTClient 0:e393db310d89 19 #define LOG_ERROR LogError("result = %s\r\n", ENUM_TO_STRING(IOTHUB_CLIENT_RESULT, result));
AzureIoTClient 0:e393db310d89 20 #define INDEFINITE_TIME ((time_t)(-1))
AzureIoTClient 0:e393db310d89 21
AzureIoTClient 0:e393db310d89 22 DEFINE_ENUM_STRINGS(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_RESULT_VALUES);
AzureIoTClient 0:e393db310d89 23
AzureIoTClient 0:e393db310d89 24 typedef struct IOTHUB_CLIENT_LL_HANDLE_DATA_TAG
AzureIoTClient 0:e393db310d89 25 {
AzureIoTClient 0:e393db310d89 26 DLIST_ENTRY waitingToSend;
AzureIoTClient 0:e393db310d89 27 TRANSPORT_HANDLE transportHandle;
AzureIoTClient 0:e393db310d89 28 TRANSPORT_PROVIDER_FIELDS;
AzureIoTClient 9:3ec7e2695f98 29 IOTHUB_CLIENT_MESSAGE_CALLBACK_ASYNC messageCallback;
AzureIoTClient 9:3ec7e2695f98 30 void* messageUserContextCallback;
AzureIoTClient 9:3ec7e2695f98 31 time_t lastMessageReceiveTime;
AzureIoTClient 0:e393db310d89 32 }IOTHUB_CLIENT_LL_HANDLE_DATA;
AzureIoTClient 0:e393db310d89 33
AzureIoTClient 0:e393db310d89 34 static const char HOSTNAME_TOKEN[] = "HostName";
AzureIoTClient 0:e393db310d89 35 static const char DEVICEID_TOKEN[] = "DeviceId";
AzureIoTClient 0:e393db310d89 36 static const char DEVICEKEY_TOKEN[] = "SharedAccessKey";
AzureIoTClient 9:3ec7e2695f98 37 static const char PROTOCOL_GATEWAY_HOST[] = "GatewayHostName";
AzureIoTClient 0:e393db310d89 38
AzureIoTClient 0:e393db310d89 39 IOTHUB_CLIENT_LL_HANDLE IoTHubClient_LL_CreateFromConnectionString(const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol)
AzureIoTClient 0:e393db310d89 40 {
AzureIoTClient 0:e393db310d89 41 IOTHUB_CLIENT_LL_HANDLE* result = NULL;
AzureIoTClient 0:e393db310d89 42
AzureIoTClient 1:bec6dd049b54 43 /*Codes_SRS_IOTHUBCLIENT_LL_05_001: [IoTHubClient_LL_CreateFromConnectionString shall obtain the version string by a call to IoTHubClient_GetVersionString.]*/
AzureIoTClient 1:bec6dd049b54 44 /*Codes_SRS_IOTHUBCLIENT_LL_05_002: [IoTHubClient_LL_CreateFromConnectionString shall print the version string to standard output.]*/
AzureIoTClient 1:bec6dd049b54 45 LogInfo("IoT Hub SDK for C, version %s\r\n", IoTHubClient_GetVersionString());
AzureIoTClient 1:bec6dd049b54 46
AzureIoTClient 0:e393db310d89 47 /* SRS_IOTHUBCLIENT_LL_12_003: [IoTHubClient_LL_CreateFromConnectionString shall verify the input parameter and if it is NULL then return NULL] */
AzureIoTClient 0:e393db310d89 48 if (connectionString == NULL)
AzureIoTClient 0:e393db310d89 49 {
AzureIoTClient 0:e393db310d89 50 LogError("Input parameter is NULL: connectionString\r\n");
AzureIoTClient 0:e393db310d89 51 }
AzureIoTClient 0:e393db310d89 52 else if (protocol == NULL)
AzureIoTClient 0:e393db310d89 53 {
AzureIoTClient 0:e393db310d89 54 LogError("Input parameter is NULL: protocol\r\n");
AzureIoTClient 0:e393db310d89 55 }
AzureIoTClient 0:e393db310d89 56 else
AzureIoTClient 0:e393db310d89 57 {
AzureIoTClient 0:e393db310d89 58 /* SRS_IOTHUBCLIENT_LL_12_004: [IoTHubClient_LL_CreateFromConnectionString shall allocate IOTHUB_CLIENT_CONFIG structure] */
AzureIoTClient 0:e393db310d89 59 IOTHUB_CLIENT_CONFIG* config = malloc(sizeof(IOTHUB_CLIENT_CONFIG));
AzureIoTClient 0:e393db310d89 60 if (config == NULL)
AzureIoTClient 0:e393db310d89 61 {
AzureIoTClient 0:e393db310d89 62 /* SRS_IOTHUBCLIENT_LL_12_012: [If the allocation failed IoTHubClient_LL_CreateFromConnectionString returns NULL] */
AzureIoTClient 0:e393db310d89 63 LogError("Malloc failed\r\n");
AzureIoTClient 0:e393db310d89 64 return NULL;
AzureIoTClient 0:e393db310d89 65 }
AzureIoTClient 0:e393db310d89 66 else
AzureIoTClient 0:e393db310d89 67 {
AzureIoTClient 0:e393db310d89 68 STRING_TOKENIZER_HANDLE tokenizer1 = NULL;
AzureIoTClient 0:e393db310d89 69 STRING_HANDLE connString = NULL;
AzureIoTClient 0:e393db310d89 70 STRING_HANDLE tokenString = NULL;
AzureIoTClient 0:e393db310d89 71 STRING_HANDLE valueString = NULL;
AzureIoTClient 0:e393db310d89 72 STRING_HANDLE hostNameString = NULL;
AzureIoTClient 0:e393db310d89 73 STRING_HANDLE hostSuffixString = NULL;
AzureIoTClient 0:e393db310d89 74 STRING_HANDLE deviceIdString = NULL;
AzureIoTClient 0:e393db310d89 75 STRING_HANDLE deviceKeyString = NULL;
AzureIoTClient 9:3ec7e2695f98 76 STRING_HANDLE protocolGateway = NULL;
AzureIoTClient 0:e393db310d89 77
AzureIoTClient 0:e393db310d89 78 config->protocol = protocol;
AzureIoTClient 0:e393db310d89 79
AzureIoTClient 0:e393db310d89 80 config->iotHubName = NULL;
AzureIoTClient 0:e393db310d89 81 config->iotHubSuffix = NULL;
AzureIoTClient 0:e393db310d89 82 config->deviceId = NULL;
AzureIoTClient 0:e393db310d89 83 config->deviceKey = NULL;
AzureIoTClient 0:e393db310d89 84
AzureIoTClient 0:e393db310d89 85 if ((connString = STRING_construct(connectionString)) == NULL)
AzureIoTClient 0:e393db310d89 86 {
AzureIoTClient 0:e393db310d89 87 LogError("Error constructing connectiong String\r\n");
AzureIoTClient 0:e393db310d89 88 }
AzureIoTClient 0:e393db310d89 89 else if ((tokenizer1 = STRING_TOKENIZER_create(connString)) == NULL)
AzureIoTClient 0:e393db310d89 90 {
AzureIoTClient 0:e393db310d89 91 LogError("Error creating Tokenizer\r\n");
AzureIoTClient 0:e393db310d89 92 }
AzureIoTClient 0:e393db310d89 93 else if ((tokenString = STRING_new()) == NULL)
AzureIoTClient 0:e393db310d89 94 {
AzureIoTClient 0:e393db310d89 95 LogError("Error creating Token String\r\n");
AzureIoTClient 0:e393db310d89 96 }
AzureIoTClient 0:e393db310d89 97 else if ((valueString = STRING_new()) == NULL)
AzureIoTClient 0:e393db310d89 98 {
AzureIoTClient 0:e393db310d89 99 LogError("Error creating Value String\r\n");
AzureIoTClient 0:e393db310d89 100 }
AzureIoTClient 0:e393db310d89 101 else if ((hostNameString = STRING_new()) == NULL)
AzureIoTClient 0:e393db310d89 102 {
AzureIoTClient 0:e393db310d89 103 LogError("Error creating HostName String\r\n");
AzureIoTClient 0:e393db310d89 104 }
AzureIoTClient 0:e393db310d89 105 else if ((hostSuffixString = STRING_new()) == NULL)
AzureIoTClient 0:e393db310d89 106 {
AzureIoTClient 0:e393db310d89 107 LogError("Error creating HostSuffix String\r\n");
AzureIoTClient 0:e393db310d89 108 }
AzureIoTClient 0:e393db310d89 109 /* SRS_IOTHUBCLIENT_LL_12_005: [IoTHubClient_LL_CreateFromConnectionString shall try to parse the connectionString input parameter for the following structure: "Key1=value1;key2=value2;key3=value3..."] */
AzureIoTClient 9:3ec7e2695f98 110 /* SRS_IOTHUBCLIENT_LL_12_006: [IoTHubClient_LL_CreateFromConnectionString shall verify the existence of the following Key/Value pairs in the connection string: HostName, DeviceId, SharedAccessKey.] */
AzureIoTClient 0:e393db310d89 111 else
AzureIoTClient 0:e393db310d89 112 {
AzureIoTClient 0:e393db310d89 113 while ((STRING_TOKENIZER_get_next_token(tokenizer1, tokenString, "=") == 0))
AzureIoTClient 0:e393db310d89 114 {
AzureIoTClient 0:e393db310d89 115 if (STRING_TOKENIZER_get_next_token(tokenizer1, valueString, ";") != 0)
AzureIoTClient 0:e393db310d89 116 {
AzureIoTClient 0:e393db310d89 117 LogError("Tokenizer error\r\n");
AzureIoTClient 0:e393db310d89 118 break;
AzureIoTClient 0:e393db310d89 119 }
AzureIoTClient 0:e393db310d89 120 else
AzureIoTClient 0:e393db310d89 121 {
AzureIoTClient 0:e393db310d89 122 if (tokenString != NULL)
AzureIoTClient 0:e393db310d89 123 {
AzureIoTClient 0:e393db310d89 124 /* SRS_IOTHUBCLIENT_LL_12_010: [IoTHubClient_LL_CreateFromConnectionString shall fill up the IOTHUB_CLIENT_CONFIG structure using the following mapping: iotHubName = Name, iotHubSuffix = Suffix, deviceId = DeviceId, deviceKey = SharedAccessKey] */
AzureIoTClient 0:e393db310d89 125 const char* s_token = STRING_c_str(tokenString);
AzureIoTClient 0:e393db310d89 126 const char* s_value = STRING_c_str(valueString);
AzureIoTClient 9:3ec7e2695f98 127 if (strcmp(s_token, HOSTNAME_TOKEN) == 0)
AzureIoTClient 0:e393db310d89 128 {
AzureIoTClient 0:e393db310d89 129 /* SRS_IOTHUBCLIENT_LL_12_009: [IoTHubClient_LL_CreateFromConnectionString shall split the value of HostName to Name and Suffix using the first "." as a separator] */
AzureIoTClient 0:e393db310d89 130 STRING_TOKENIZER_HANDLE tokenizer2 = NULL;
AzureIoTClient 0:e393db310d89 131 if ((tokenizer2 = STRING_TOKENIZER_create(valueString)) == NULL)
AzureIoTClient 0:e393db310d89 132 {
AzureIoTClient 0:e393db310d89 133 LogError("Error creating Tokenizer\r\n");
AzureIoTClient 0:e393db310d89 134 break;
AzureIoTClient 0:e393db310d89 135 }
AzureIoTClient 0:e393db310d89 136 else
AzureIoTClient 0:e393db310d89 137 {
AzureIoTClient 0:e393db310d89 138 /* SRS_IOTHUBCLIENT_LL_12_015: [If the string split failed, IoTHubClient_LL_CreateFromConnectionString returns NULL ] */
AzureIoTClient 0:e393db310d89 139 if (STRING_TOKENIZER_get_next_token(tokenizer2, hostNameString, ".") != 0)
AzureIoTClient 0:e393db310d89 140 {
AzureIoTClient 0:e393db310d89 141 LogError("Tokenizer error\r\n");
AzureIoTClient 0:e393db310d89 142 STRING_TOKENIZER_destroy(tokenizer2);
AzureIoTClient 0:e393db310d89 143 break;
AzureIoTClient 0:e393db310d89 144 }
AzureIoTClient 0:e393db310d89 145 else
AzureIoTClient 0:e393db310d89 146 {
AzureIoTClient 0:e393db310d89 147 config->iotHubName = STRING_c_str(hostNameString);
AzureIoTClient 0:e393db310d89 148 if (STRING_TOKENIZER_get_next_token(tokenizer2, hostSuffixString, ";") != 0)
AzureIoTClient 0:e393db310d89 149 {
AzureIoTClient 0:e393db310d89 150 LogError("Tokenizer error\r\n");
AzureIoTClient 0:e393db310d89 151 STRING_TOKENIZER_destroy(tokenizer2);
AzureIoTClient 0:e393db310d89 152 break;
AzureIoTClient 0:e393db310d89 153 }
AzureIoTClient 0:e393db310d89 154 else
AzureIoTClient 0:e393db310d89 155 {
AzureIoTClient 0:e393db310d89 156 config->iotHubSuffix = STRING_c_str(hostSuffixString);
AzureIoTClient 0:e393db310d89 157 }
AzureIoTClient 0:e393db310d89 158 }
AzureIoTClient 0:e393db310d89 159 STRING_TOKENIZER_destroy(tokenizer2);
AzureIoTClient 0:e393db310d89 160 }
AzureIoTClient 0:e393db310d89 161 }
AzureIoTClient 0:e393db310d89 162 else if (strcmp(s_token, DEVICEID_TOKEN) == 0)
AzureIoTClient 0:e393db310d89 163 {
AzureIoTClient 0:e393db310d89 164 deviceIdString = STRING_clone(valueString);
AzureIoTClient 0:e393db310d89 165 if (deviceIdString != NULL)
AzureIoTClient 0:e393db310d89 166 {
AzureIoTClient 0:e393db310d89 167 config->deviceId = STRING_c_str(deviceIdString);
AzureIoTClient 0:e393db310d89 168 }
AzureIoTClient 0:e393db310d89 169 }
AzureIoTClient 0:e393db310d89 170 else if (strcmp(s_token, DEVICEKEY_TOKEN) == 0)
AzureIoTClient 0:e393db310d89 171 {
AzureIoTClient 0:e393db310d89 172 deviceKeyString = STRING_clone(valueString);
AzureIoTClient 0:e393db310d89 173 if (deviceKeyString != NULL)
AzureIoTClient 0:e393db310d89 174 {
AzureIoTClient 0:e393db310d89 175 config->deviceKey = STRING_c_str(deviceKeyString);
AzureIoTClient 0:e393db310d89 176 }
AzureIoTClient 0:e393db310d89 177 }
AzureIoTClient 9:3ec7e2695f98 178 else if (strcmp(s_token, PROTOCOL_GATEWAY_HOST) == 0)
AzureIoTClient 9:3ec7e2695f98 179 {
AzureIoTClient 9:3ec7e2695f98 180 protocolGateway = STRING_clone(valueString);
AzureIoTClient 9:3ec7e2695f98 181 if (protocolGateway != NULL)
AzureIoTClient 9:3ec7e2695f98 182 {
AzureIoTClient 9:3ec7e2695f98 183 config->protocolGatewayHostName = STRING_c_str(protocolGateway);
AzureIoTClient 9:3ec7e2695f98 184 }
AzureIoTClient 9:3ec7e2695f98 185 }
AzureIoTClient 0:e393db310d89 186 }
AzureIoTClient 0:e393db310d89 187 }
AzureIoTClient 0:e393db310d89 188 }
AzureIoTClient 0:e393db310d89 189 /* parsing is done - check the result */
AzureIoTClient 9:3ec7e2695f98 190 if (config->iotHubName == NULL)
AzureIoTClient 0:e393db310d89 191 {
AzureIoTClient 0:e393db310d89 192 LogError("iotHubName is not found\r\n");
AzureIoTClient 0:e393db310d89 193 }
AzureIoTClient 0:e393db310d89 194 else if (config->iotHubSuffix == NULL)
AzureIoTClient 0:e393db310d89 195 {
AzureIoTClient 0:e393db310d89 196 LogError("iotHubSuffix is not found\r\n");
AzureIoTClient 0:e393db310d89 197 }
AzureIoTClient 0:e393db310d89 198 else if (config->deviceId == NULL)
AzureIoTClient 0:e393db310d89 199 {
AzureIoTClient 0:e393db310d89 200 LogError("deviceId is not found\r\n");
AzureIoTClient 0:e393db310d89 201 }
AzureIoTClient 0:e393db310d89 202 else if (config->deviceKey == NULL)
AzureIoTClient 0:e393db310d89 203 {
AzureIoTClient 0:e393db310d89 204 LogError("deviceId is not found\r\n");
AzureIoTClient 0:e393db310d89 205 }
AzureIoTClient 0:e393db310d89 206 else
AzureIoTClient 0:e393db310d89 207 {
AzureIoTClient 0:e393db310d89 208 /* SRS_IOTHUBCLIENT_LL_12_011: [IoTHubClient_LL_CreateFromConnectionString shall call into the IoTHubClient_LL_Create API with the current structure and returns with the return value of it] */
AzureIoTClient 0:e393db310d89 209 result = IoTHubClient_LL_Create(config);
AzureIoTClient 0:e393db310d89 210 if (result == NULL)
AzureIoTClient 0:e393db310d89 211 {
AzureIoTClient 0:e393db310d89 212 LogError("IoTHubClient_LL_Create failed\r\n");
AzureIoTClient 0:e393db310d89 213 }
AzureIoTClient 0:e393db310d89 214 }
AzureIoTClient 0:e393db310d89 215 }
AzureIoTClient 0:e393db310d89 216 if (deviceKeyString != NULL)
AzureIoTClient 0:e393db310d89 217 STRING_delete(deviceKeyString);
AzureIoTClient 0:e393db310d89 218 if (deviceIdString != NULL)
AzureIoTClient 0:e393db310d89 219 STRING_delete(deviceIdString);
AzureIoTClient 0:e393db310d89 220 if (hostSuffixString != NULL)
AzureIoTClient 0:e393db310d89 221 STRING_delete(hostSuffixString);
AzureIoTClient 0:e393db310d89 222 if (hostNameString != NULL)
AzureIoTClient 0:e393db310d89 223 STRING_delete(hostNameString);
AzureIoTClient 0:e393db310d89 224 if (valueString != NULL)
AzureIoTClient 0:e393db310d89 225 STRING_delete(valueString);
AzureIoTClient 0:e393db310d89 226 if (tokenString != NULL)
AzureIoTClient 0:e393db310d89 227 STRING_delete(tokenString);
AzureIoTClient 0:e393db310d89 228 if (connString != NULL)
AzureIoTClient 0:e393db310d89 229 STRING_delete(connString);
AzureIoTClient 9:3ec7e2695f98 230 if (protocolGateway != NULL)
AzureIoTClient 9:3ec7e2695f98 231 STRING_delete(protocolGateway);
AzureIoTClient 0:e393db310d89 232
AzureIoTClient 0:e393db310d89 233 if (tokenizer1 != NULL)
AzureIoTClient 0:e393db310d89 234 STRING_TOKENIZER_destroy(tokenizer1);
AzureIoTClient 0:e393db310d89 235
AzureIoTClient 0:e393db310d89 236 free(config);
AzureIoTClient 0:e393db310d89 237 }
AzureIoTClient 0:e393db310d89 238 }
AzureIoTClient 0:e393db310d89 239 return result;
AzureIoTClient 0:e393db310d89 240 }
AzureIoTClient 0:e393db310d89 241
AzureIoTClient 0:e393db310d89 242
AzureIoTClient 0:e393db310d89 243 IOTHUB_CLIENT_LL_HANDLE IoTHubClient_LL_Create(const IOTHUB_CLIENT_CONFIG* config)
AzureIoTClient 0:e393db310d89 244 {
AzureIoTClient 0:e393db310d89 245 IOTHUB_CLIENT_LL_HANDLE result;
AzureIoTClient 0:e393db310d89 246 /*Codes_SRS_IOTHUBCLIENT_LL_02_001: [IoTHubClient_LL_Create shall return NULL if config parameter is NULL or protocol field is NULL.]*/
AzureIoTClient 0:e393db310d89 247 if (
AzureIoTClient 0:e393db310d89 248 (config == NULL) ||
AzureIoTClient 0:e393db310d89 249 (config->protocol == NULL)
AzureIoTClient 0:e393db310d89 250 )
AzureIoTClient 0:e393db310d89 251 {
AzureIoTClient 0:e393db310d89 252 result = NULL;
AzureIoTClient 0:e393db310d89 253 LogError("invalid configuration (NULL detected)\r\n");
AzureIoTClient 0:e393db310d89 254 }
AzureIoTClient 0:e393db310d89 255 else
AzureIoTClient 0:e393db310d89 256 {
AzureIoTClient 0:e393db310d89 257 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)malloc(sizeof(IOTHUB_CLIENT_LL_HANDLE_DATA));
AzureIoTClient 0:e393db310d89 258 if (handleData == NULL)
AzureIoTClient 0:e393db310d89 259 {
AzureIoTClient 0:e393db310d89 260 LogError("malloc failed\r\n");
AzureIoTClient 0:e393db310d89 261 result = NULL;
AzureIoTClient 0:e393db310d89 262 }
AzureIoTClient 0:e393db310d89 263 else
AzureIoTClient 0:e393db310d89 264 {
AzureIoTClient 0:e393db310d89 265 /*Codes_SRS_IOTHUBCLIENT_LL_02_004: [Otherwise IoTHubClient_LL_Create shall initialize a new DLIST (further called "waitingToSend") containing records with fields of the following types: IOTHUB_MESSAGE_HANDLE, IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK, void*.]*/
AzureIoTClient 0:e393db310d89 266 IOTHUBTRANSPORT_CONFIG lowerLayerConfig;
AzureIoTClient 0:e393db310d89 267 DList_InitializeListHead(&(handleData->waitingToSend));
AzureIoTClient 0:e393db310d89 268 handleData->IoTHubTransport_SetOption = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_SetOption;
AzureIoTClient 0:e393db310d89 269 handleData->IoTHubTransport_Create = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Create;
AzureIoTClient 0:e393db310d89 270 handleData->IoTHubTransport_Destroy = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Destroy;
AzureIoTClient 0:e393db310d89 271 handleData->IoTHubTransport_Subscribe = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Subscribe;
AzureIoTClient 0:e393db310d89 272 handleData->IoTHubTransport_Unsubscribe = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Unsubscribe;
AzureIoTClient 0:e393db310d89 273 handleData->IoTHubTransport_DoWork = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_DoWork;
AzureIoTClient 0:e393db310d89 274 handleData->IoTHubTransport_GetSendStatus = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_GetSendStatus;
AzureIoTClient 9:3ec7e2695f98 275 handleData->messageCallback = NULL;
AzureIoTClient 9:3ec7e2695f98 276 handleData->messageUserContextCallback = NULL;
AzureIoTClient 9:3ec7e2695f98 277 handleData->lastMessageReceiveTime = INDEFINITE_TIME;
AzureIoTClient 0:e393db310d89 278 /*Codes_SRS_IOTHUBCLIENT_LL_02_006: [IoTHubClient_LL_Create shall populate a structure of type IOTHUBTRANSPORT_CONFIG with the information from config parameter and the previous DLIST and shall pass that to the underlying layer _Create function.]*/
AzureIoTClient 0:e393db310d89 279 lowerLayerConfig.upperConfig = config;
AzureIoTClient 0:e393db310d89 280 lowerLayerConfig.waitingToSend = &(handleData->waitingToSend);
AzureIoTClient 0:e393db310d89 281 /*Codes_SRS_IOTHUBCLIENT_LL_02_007: [If the underlaying layer _Create function fails them IoTHubClient_LL_Create shall fail and return NULL.] */
AzureIoTClient 0:e393db310d89 282 if ((handleData->transportHandle = handleData->IoTHubTransport_Create(&lowerLayerConfig)) == NULL)
AzureIoTClient 0:e393db310d89 283 {
AzureIoTClient 0:e393db310d89 284 LogError("underlying transport failed\r\n");
AzureIoTClient 0:e393db310d89 285 free(handleData);
AzureIoTClient 0:e393db310d89 286 result = NULL;
AzureIoTClient 0:e393db310d89 287 }
AzureIoTClient 0:e393db310d89 288 else
AzureIoTClient 0:e393db310d89 289 {
AzureIoTClient 0:e393db310d89 290 /*Codes_SRS_IOTHUBCLIENT_LL_02_008: [Otherwise, IoTHubClient_LL_Create shall succeed and return a non-NULL handle.] */
AzureIoTClient 0:e393db310d89 291 result = handleData;
AzureIoTClient 0:e393db310d89 292 }
AzureIoTClient 0:e393db310d89 293 }
AzureIoTClient 0:e393db310d89 294 }
AzureIoTClient 0:e393db310d89 295
AzureIoTClient 0:e393db310d89 296 return result;
AzureIoTClient 0:e393db310d89 297 }
AzureIoTClient 0:e393db310d89 298
AzureIoTClient 0:e393db310d89 299 void IoTHubClient_LL_Destroy(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 0:e393db310d89 300 {
AzureIoTClient 0:e393db310d89 301 /*Codes_SRS_IOTHUBCLIENT_LL_02_009: [IoTHubClient_LL_Destroy shall do nothing if parameter iotHubClientHandle is NULL.]*/
AzureIoTClient 0:e393db310d89 302 if (iotHubClientHandle != NULL)
AzureIoTClient 0:e393db310d89 303 {
AzureIoTClient 0:e393db310d89 304 PDLIST_ENTRY unsend;
AzureIoTClient 0:e393db310d89 305 /*Codes_SRS_IOTHUBCLIENT_LL_02_010: [IoTHubClient_LL_Destroy it shall call the underlaying layer's _Destroy function and shall free the resources allocated by IoTHubClient (if any).] */
AzureIoTClient 0:e393db310d89 306 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 307 handleData->IoTHubTransport_Destroy(handleData->transportHandle);
AzureIoTClient 0:e393db310d89 308 /*if any, remove the items currently not send*/
AzureIoTClient 0:e393db310d89 309 while ((unsend = DList_RemoveHeadList(&(handleData->waitingToSend))) != &(handleData->waitingToSend))
AzureIoTClient 0:e393db310d89 310 {
AzureIoTClient 0:e393db310d89 311 IOTHUB_MESSAGE_LIST* temp = containingRecord(unsend, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 9:3ec7e2695f98 312 /*Codes_SRS_IOTHUBCLIENT_LL_02_033: [Otherwise, IoTHubClient_LL_Destroy shall complete all the event message callbacks that are in the waitingToSend list with the result IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY.] */
AzureIoTClient 0:e393db310d89 313 if (temp->callback != NULL)
AzureIoTClient 0:e393db310d89 314 {
AzureIoTClient 0:e393db310d89 315 temp->callback(IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY, temp->context);
AzureIoTClient 0:e393db310d89 316 }
AzureIoTClient 0:e393db310d89 317 IoTHubMessage_Destroy(temp->messageHandle);
AzureIoTClient 0:e393db310d89 318 free(temp);
AzureIoTClient 0:e393db310d89 319 }
AzureIoTClient 0:e393db310d89 320 free(handleData);
AzureIoTClient 0:e393db310d89 321 }
AzureIoTClient 0:e393db310d89 322 }
AzureIoTClient 0:e393db310d89 323
AzureIoTClient 0:e393db310d89 324 IOTHUB_CLIENT_RESULT IoTHubClient_LL_SendEventAsync(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_MESSAGE_HANDLE eventMessageHandle, IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK eventConfirmationCallback, void* userContextCallback)
AzureIoTClient 0:e393db310d89 325 {
AzureIoTClient 0:e393db310d89 326 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:e393db310d89 327 /*Codes_SRS_IOTHUBCLIENT_LL_02_011: [IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter iotHubClientHandle or eventMessageHandle is NULL.]*/
AzureIoTClient 0:e393db310d89 328 if (
AzureIoTClient 0:e393db310d89 329 (iotHubClientHandle == NULL) ||
AzureIoTClient 0:e393db310d89 330 (eventMessageHandle == NULL) ||
AzureIoTClient 0:e393db310d89 331 /*Codes_SRS_IOTHUBCLIENT_LL_02_012: [IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter eventConfirmationCallback is NULL and userContextCallback is not NULL.] */
AzureIoTClient 0:e393db310d89 332 ((eventConfirmationCallback == NULL) && (userContextCallback != NULL))
AzureIoTClient 0:e393db310d89 333 )
AzureIoTClient 0:e393db310d89 334 {
AzureIoTClient 0:e393db310d89 335 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:e393db310d89 336 LOG_ERROR;
AzureIoTClient 0:e393db310d89 337 }
AzureIoTClient 0:e393db310d89 338 else
AzureIoTClient 0:e393db310d89 339 {
AzureIoTClient 0:e393db310d89 340 IOTHUB_MESSAGE_LIST *newEntry = (IOTHUB_MESSAGE_LIST*)malloc(sizeof(IOTHUB_MESSAGE_LIST));
AzureIoTClient 0:e393db310d89 341 if (newEntry == NULL)
AzureIoTClient 0:e393db310d89 342 {
AzureIoTClient 0:e393db310d89 343 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 0:e393db310d89 344 LOG_ERROR;
AzureIoTClient 0:e393db310d89 345 }
AzureIoTClient 0:e393db310d89 346 else
AzureIoTClient 0:e393db310d89 347 {
AzureIoTClient 0:e393db310d89 348 /*Codes_SRS_IOTHUBCLIENT_LL_02_013: [IoTHubClient_SendEventAsync shall add the DLIST waitingToSend a new record cloning the information from eventMessageHandle, eventConfirmationCallback, userContextCallback.]*/
AzureIoTClient 0:e393db310d89 349 if ((newEntry->messageHandle = IoTHubMessage_Clone(eventMessageHandle)) == NULL)
AzureIoTClient 0:e393db310d89 350 {
AzureIoTClient 0:e393db310d89 351 /*Codes_SRS_IOTHUBCLIENT_LL_02_014: [If cloning and/or adding the information fails for any reason, IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient 0:e393db310d89 352 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 0:e393db310d89 353 free(newEntry);
AzureIoTClient 0:e393db310d89 354 LOG_ERROR;
AzureIoTClient 0:e393db310d89 355 }
AzureIoTClient 0:e393db310d89 356 else
AzureIoTClient 0:e393db310d89 357 {
AzureIoTClient 0:e393db310d89 358 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 359 /*Codes_SRS_IOTHUBCLIENT_LL_02_013: [IoTHubClient_SendEventAsync shall add the DLIST waitingToSend a new record cloning the information from eventMessageHandle, eventConfirmationCallback, userContextCallback.]*/
AzureIoTClient 0:e393db310d89 360 newEntry->callback = eventConfirmationCallback;
AzureIoTClient 0:e393db310d89 361 newEntry->context = userContextCallback;
AzureIoTClient 0:e393db310d89 362 DList_InsertTailList(&(handleData->waitingToSend), &(newEntry->entry));
AzureIoTClient 0:e393db310d89 363 /*Codes_SRS_IOTHUBCLIENT_LL_02_015: [Otherwise IoTHubClient_LL_SendEventAsync shall succeed and return IOTHUB_CLIENT_OK.] */
AzureIoTClient 0:e393db310d89 364 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:e393db310d89 365 }
AzureIoTClient 0:e393db310d89 366 }
AzureIoTClient 0:e393db310d89 367 }
AzureIoTClient 0:e393db310d89 368 return result;
AzureIoTClient 0:e393db310d89 369 }
AzureIoTClient 0:e393db310d89 370
AzureIoTClient 9:3ec7e2695f98 371 IOTHUB_CLIENT_RESULT IoTHubClient_LL_SetMessageCallback(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_CLIENT_MESSAGE_CALLBACK_ASYNC messageCallback, void* userContextCallback)
AzureIoTClient 0:e393db310d89 372 {
AzureIoTClient 0:e393db310d89 373 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 9:3ec7e2695f98 374 /*Codes_SRS_IOTHUBCLIENT_LL_02_016: [IoTHubClient_LL_SetMessageCallback shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter iotHubClientHandle is NULL.] */
AzureIoTClient 0:e393db310d89 375 if (iotHubClientHandle == NULL)
AzureIoTClient 0:e393db310d89 376 {
AzureIoTClient 0:e393db310d89 377 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:e393db310d89 378 LOG_ERROR;
AzureIoTClient 0:e393db310d89 379 }
AzureIoTClient 0:e393db310d89 380 else
AzureIoTClient 0:e393db310d89 381 {
AzureIoTClient 0:e393db310d89 382 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 9:3ec7e2695f98 383 if (messageCallback == NULL)
AzureIoTClient 0:e393db310d89 384 {
AzureIoTClient 9:3ec7e2695f98 385 /*Codes_SRS_IOTHUBCLIENT_LL_02_019: [If parameter messageCallback is NULL then IoTHubClient_LL_SetMessageCallback shall call the underlying layer's _Unsubscribe function and return IOTHUB_CLIENT_OK.] */
AzureIoTClient 0:e393db310d89 386 handleData->IoTHubTransport_Unsubscribe(handleData->transportHandle);
AzureIoTClient 9:3ec7e2695f98 387 handleData->messageCallback = NULL;
AzureIoTClient 9:3ec7e2695f98 388 handleData->messageUserContextCallback = NULL;
AzureIoTClient 0:e393db310d89 389 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:e393db310d89 390 }
AzureIoTClient 0:e393db310d89 391 else
AzureIoTClient 0:e393db310d89 392 {
AzureIoTClient 9:3ec7e2695f98 393 /*Codes_SRS_IOTHUBCLIENT_LL_02_017: [If parameter messageCallback is non-NULL then IoTHubClient_LL_SetMessageCallback shall call the underlying layer's _Subscribe function.]*/
AzureIoTClient 0:e393db310d89 394 if (handleData->IoTHubTransport_Subscribe(handleData->transportHandle) == 0)
AzureIoTClient 0:e393db310d89 395 {
AzureIoTClient 9:3ec7e2695f98 396 handleData->messageCallback = messageCallback;
AzureIoTClient 9:3ec7e2695f98 397 handleData->messageUserContextCallback = userContextCallback;
AzureIoTClient 0:e393db310d89 398 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:e393db310d89 399 }
AzureIoTClient 0:e393db310d89 400 else
AzureIoTClient 0:e393db310d89 401 {
AzureIoTClient 9:3ec7e2695f98 402 handleData->messageCallback = NULL;
AzureIoTClient 9:3ec7e2695f98 403 handleData->messageUserContextCallback = NULL;
AzureIoTClient 9:3ec7e2695f98 404 /*Codes_SRS_IOTHUBCLIENT_LL_02_018: [If the underlying layer's _Subscribe function fails, then IoTHubClient_LL_SetMessageCallback shall fail and return IOTHUB_CLIENT_ERROR. Otherwise IoTHubClient_LL_SetMessageCallback shall succeed and return IOTHUB_CLIENT_OK.]*/
AzureIoTClient 0:e393db310d89 405 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 0:e393db310d89 406 }
AzureIoTClient 0:e393db310d89 407 }
AzureIoTClient 0:e393db310d89 408 }
AzureIoTClient 0:e393db310d89 409
AzureIoTClient 0:e393db310d89 410 return result;
AzureIoTClient 0:e393db310d89 411 }
AzureIoTClient 0:e393db310d89 412
AzureIoTClient 0:e393db310d89 413 void IoTHubClient_LL_DoWork(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 0:e393db310d89 414 {
AzureIoTClient 0:e393db310d89 415 /*Codes_SRS_IOTHUBCLIENT_LL_02_020: [If parameter iotHubClientHandle is NULL then IoTHubClient_LL_DoWork shall not perform any action.] */
AzureIoTClient 0:e393db310d89 416 if (iotHubClientHandle != NULL)
AzureIoTClient 0:e393db310d89 417 {
AzureIoTClient 0:e393db310d89 418 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 419 handleData->IoTHubTransport_DoWork(handleData->transportHandle, iotHubClientHandle);
AzureIoTClient 0:e393db310d89 420 }
AzureIoTClient 0:e393db310d89 421 }
AzureIoTClient 0:e393db310d89 422
AzureIoTClient 0:e393db310d89 423 IOTHUB_CLIENT_RESULT IoTHubClient_LL_GetSendStatus(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 0:e393db310d89 424 {
AzureIoTClient 0:e393db310d89 425 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:e393db310d89 426
AzureIoTClient 0:e393db310d89 427 /* Codes_SRS_IOTHUBCLIENT_09_007: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter] */
AzureIoTClient 0:e393db310d89 428 if (iotHubClientHandle == NULL || iotHubClientStatus == NULL)
AzureIoTClient 0:e393db310d89 429 {
AzureIoTClient 0:e393db310d89 430 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:e393db310d89 431 LOG_ERROR;
AzureIoTClient 0:e393db310d89 432 }
AzureIoTClient 0:e393db310d89 433 else
AzureIoTClient 0:e393db310d89 434 {
AzureIoTClient 0:e393db310d89 435 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 436
AzureIoTClient 0:e393db310d89 437 /* Codes_SRS_IOTHUBCLIENT_09_008: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there is currently no items to be sent] */
AzureIoTClient 0:e393db310d89 438 /* Codes_SRS_IOTHUBCLIENT_09_009: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently items to be sent] */
AzureIoTClient 0:e393db310d89 439 result = handleData->IoTHubTransport_GetSendStatus(handleData->transportHandle, iotHubClientStatus);
AzureIoTClient 0:e393db310d89 440 }
AzureIoTClient 0:e393db310d89 441
AzureIoTClient 0:e393db310d89 442 return result;
AzureIoTClient 0:e393db310d89 443 }
AzureIoTClient 0:e393db310d89 444
AzureIoTClient 0:e393db310d89 445 void IoTHubClient_LL_SendComplete(IOTHUB_CLIENT_LL_HANDLE handle, PDLIST_ENTRY completed, IOTHUB_BATCHSTATE_RESULT result)
AzureIoTClient 0:e393db310d89 446 {
AzureIoTClient 0:e393db310d89 447 /*Codes_SRS_IOTHUBCLIENT_LL_02_022: [If parameter completed is NULL, or parameter handle is NULL then IoTHubClient_LL_SendBatch shall return.]*/
AzureIoTClient 0:e393db310d89 448 if (
AzureIoTClient 0:e393db310d89 449 (handle == NULL) ||
AzureIoTClient 0:e393db310d89 450 (completed == NULL)
AzureIoTClient 0:e393db310d89 451 )
AzureIoTClient 0:e393db310d89 452 {
AzureIoTClient 0:e393db310d89 453 /*"shall return"*/
AzureIoTClient 0:e393db310d89 454 LogError("invalid arg\r\n");
AzureIoTClient 0:e393db310d89 455 }
AzureIoTClient 0:e393db310d89 456 else
AzureIoTClient 0:e393db310d89 457 {
AzureIoTClient 0:e393db310d89 458 /*Codes_SRS_IOTHUBCLIENT_LL_02_027: [If parameter result is IOTHUB_BACTHSTATE_FAILED then IoTHubClient_LL_SendComplete shall call all the non-NULL callbacks with the result parameter set to IOTHUB_CLIENT_CONFIRMATION_ERROR and the context set to the context passed originally in the SendEventAsync call.] */
AzureIoTClient 0:e393db310d89 459 /*Codes_SRS_IOTHUBCLIENT_LL_02_025: [If parameter result is IOTHUB_BATCHSTATE_SUCCESS then IoTHubClient_LL_SendComplete shall call all the non-NULL callbacks with the result parameter set to IOTHUB_CLIENT_CONFIRMATION_OK and the context set to the context passed originally in the SendEventAsync call.]*/
AzureIoTClient 0:e393db310d89 460 IOTHUB_CLIENT_CONFIRMATION_RESULT resultToBeCalled = (result == IOTHUB_BATCHSTATE_SUCCESS) ? IOTHUB_CLIENT_CONFIRMATION_OK : IOTHUB_CLIENT_CONFIRMATION_ERROR;
AzureIoTClient 0:e393db310d89 461 PDLIST_ENTRY oldest;
AzureIoTClient 0:e393db310d89 462 while((oldest= DList_RemoveHeadList(completed))!=completed)
AzureIoTClient 0:e393db310d89 463 {
AzureIoTClient 0:e393db310d89 464 IOTHUB_MESSAGE_LIST* messageList = (IOTHUB_MESSAGE_LIST*)containingRecord(oldest, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 0:e393db310d89 465 if (messageList->callback != NULL)
AzureIoTClient 0:e393db310d89 466 {
AzureIoTClient 0:e393db310d89 467 messageList->callback(resultToBeCalled, messageList->context);
AzureIoTClient 0:e393db310d89 468 }
AzureIoTClient 0:e393db310d89 469 IoTHubMessage_Destroy(messageList->messageHandle);
AzureIoTClient 0:e393db310d89 470 free(messageList);
AzureIoTClient 0:e393db310d89 471 }
AzureIoTClient 0:e393db310d89 472 }
AzureIoTClient 0:e393db310d89 473 }
AzureIoTClient 0:e393db310d89 474
AzureIoTClient 9:3ec7e2695f98 475 IOTHUBMESSAGE_DISPOSITION_RESULT IoTHubClient_LL_MessageCallback(IOTHUB_CLIENT_LL_HANDLE handle, IOTHUB_MESSAGE_HANDLE message)
AzureIoTClient 0:e393db310d89 476 {
AzureIoTClient 0:e393db310d89 477 int result;
AzureIoTClient 9:3ec7e2695f98 478 /*Codes_SRS_IOTHUBCLIENT_LL_02_029: [If parameter handle is NULL then IoTHubClient_LL_MessageCallback shall return IOTHUBMESSAGE_ABANDONED.] */
AzureIoTClient 0:e393db310d89 479 if (handle == NULL)
AzureIoTClient 0:e393db310d89 480 {
AzureIoTClient 0:e393db310d89 481 LogError("invalid argument\r\n");
AzureIoTClient 0:e393db310d89 482 result = IOTHUBMESSAGE_ABANDONED;
AzureIoTClient 0:e393db310d89 483 }
AzureIoTClient 0:e393db310d89 484 else
AzureIoTClient 0:e393db310d89 485 {
AzureIoTClient 0:e393db310d89 486 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)handle;
AzureIoTClient 0:e393db310d89 487
AzureIoTClient 9:3ec7e2695f98 488 /* Codes_SRS_IOTHUBCLIENT_LL_09_004: [IoTHubClient_LL_GetLastMessageReceiveTime shall return lastMessageReceiveTime in localtime] */
AzureIoTClient 9:3ec7e2695f98 489 handleData->lastMessageReceiveTime = get_time(NULL);
AzureIoTClient 0:e393db310d89 490
AzureIoTClient 9:3ec7e2695f98 491 /*Codes_SRS_IOTHUBCLIENT_LL_02_030: [IoTHubClient_LL_MessageCallback shall invoke the last callback function (the parameter messageCallback to IoTHubClient_LL_SetMessageCallback) passing the message and the passed userContextCallback.]*/
AzureIoTClient 9:3ec7e2695f98 492 if (handleData->messageCallback != NULL)
AzureIoTClient 0:e393db310d89 493 {
AzureIoTClient 9:3ec7e2695f98 494 result = handleData->messageCallback(message, handleData->messageUserContextCallback);
AzureIoTClient 0:e393db310d89 495 }
AzureIoTClient 0:e393db310d89 496 else
AzureIoTClient 0:e393db310d89 497 {
AzureIoTClient 9:3ec7e2695f98 498 /*Codes_SRS_IOTHUBCLIENT_LL_02_032: [If the last callback function was NULL, then IoTHubClient_LL_MessageCallback shall return IOTHUBMESSAGE_ABANDONED.] */
AzureIoTClient 0:e393db310d89 499 LogError("user callback was NULL\r\n");
AzureIoTClient 0:e393db310d89 500 result = IOTHUBMESSAGE_ABANDONED;
AzureIoTClient 0:e393db310d89 501 }
AzureIoTClient 0:e393db310d89 502 }
AzureIoTClient 9:3ec7e2695f98 503 /*Codes_SRS_IOTHUBCLIENT_LL_02_031: [Then IoTHubClient_LL_MessageCallback shall return what the user function returns.]*/
AzureIoTClient 0:e393db310d89 504 return result;
AzureIoTClient 0:e393db310d89 505 }
AzureIoTClient 0:e393db310d89 506
AzureIoTClient 9:3ec7e2695f98 507 IOTHUB_CLIENT_RESULT IoTHubClient_LL_GetLastMessageReceiveTime(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, time_t* lastMessageReceiveTime)
AzureIoTClient 0:e393db310d89 508 {
AzureIoTClient 0:e393db310d89 509 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:e393db310d89 510 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 511
AzureIoTClient 9:3ec7e2695f98 512 /* Codes_SRS_IOTHUBCLIENT_LL_09_001: [IoTHubClient_LL_GetLastMessageReceiveTime shall return IOTHUB_CLIENT_INVALID_ARG if any of the arguments is NULL] */
AzureIoTClient 9:3ec7e2695f98 513 if (handleData == NULL || lastMessageReceiveTime == NULL)
AzureIoTClient 0:e393db310d89 514 {
AzureIoTClient 0:e393db310d89 515 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:e393db310d89 516 LOG_ERROR;
AzureIoTClient 0:e393db310d89 517 }
AzureIoTClient 0:e393db310d89 518 else
AzureIoTClient 0:e393db310d89 519 {
AzureIoTClient 9:3ec7e2695f98 520 /* Codes_SRS_IOTHUBCLIENT_LL_09_002: [IoTHubClient_LL_GetLastMessageReceiveTime shall return IOTHUB_CLIENT_INDEFINITE_TIME - and not set 'lastMessageReceiveTime' - if it is unable to provide the time for the last commands] */
AzureIoTClient 9:3ec7e2695f98 521 if (handleData->lastMessageReceiveTime == INDEFINITE_TIME)
AzureIoTClient 0:e393db310d89 522 {
AzureIoTClient 0:e393db310d89 523 result = IOTHUB_CLIENT_INDEFINITE_TIME;
AzureIoTClient 0:e393db310d89 524 LOG_ERROR;
AzureIoTClient 0:e393db310d89 525 }
AzureIoTClient 0:e393db310d89 526 else
AzureIoTClient 0:e393db310d89 527 {
AzureIoTClient 9:3ec7e2695f98 528 /* Codes_SRS_IOTHUBCLIENT_LL_09_003: [IoTHubClient_LL_GetLastMessageReceiveTime shall return IOTHUB_CLIENT_OK if it wrote in the lastMessageReceiveTime the time when the last command was received] */
AzureIoTClient 9:3ec7e2695f98 529 /* Codes_SRS_IOTHUBCLIENT_LL_09_004: [IoTHubClient_LL_GetLastMessageReceiveTime shall return lastMessageReceiveTime in localtime] */
AzureIoTClient 9:3ec7e2695f98 530 *lastMessageReceiveTime = handleData->lastMessageReceiveTime;
AzureIoTClient 0:e393db310d89 531 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:e393db310d89 532 }
AzureIoTClient 0:e393db310d89 533 }
AzureIoTClient 0:e393db310d89 534
AzureIoTClient 0:e393db310d89 535 return result;
AzureIoTClient 0:e393db310d89 536 }
AzureIoTClient 0:e393db310d89 537
AzureIoTClient 0:e393db310d89 538 IOTHUB_CLIENT_RESULT IoTHubClient_LL_SetOption(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, const char* optionName, const void* value)
AzureIoTClient 0:e393db310d89 539 {
AzureIoTClient 0:e393db310d89 540
AzureIoTClient 0:e393db310d89 541 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:e393db310d89 542 /*Codes_SRS_IOTHUBCLIENT_LL_02_034: [If iotHubClientHandle is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]*/
AzureIoTClient 0:e393db310d89 543 /*Codes_SRS_IOTHUBCLIENT_LL_02_035: [If optionName is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 0:e393db310d89 544 /*Codes_SRS_IOTHUBCLIENT_LL_02_036: [If value is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 0:e393db310d89 545 if (
AzureIoTClient 0:e393db310d89 546 (iotHubClientHandle == NULL) ||
AzureIoTClient 0:e393db310d89 547 (optionName == NULL) ||
AzureIoTClient 0:e393db310d89 548 (value == NULL)
AzureIoTClient 0:e393db310d89 549 )
AzureIoTClient 0:e393db310d89 550 {
AzureIoTClient 0:e393db310d89 551 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:e393db310d89 552 LogError("invalid argument (NULL)\r\n");
AzureIoTClient 0:e393db310d89 553 }
AzureIoTClient 0:e393db310d89 554 else
AzureIoTClient 0:e393db310d89 555 {
AzureIoTClient 0:e393db310d89 556 IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
AzureIoTClient 0:e393db310d89 557
AzureIoTClient 0:e393db310d89 558 /*Codes_SRS_IOTHUBCLIENT_LL_02_038: [Otherwise, IoTHubClient_LL shall call the function _SetOption of the underlying transport and return what that function is returning.] */
AzureIoTClient 0:e393db310d89 559 result = handleData->IoTHubTransport_SetOption(handleData->transportHandle, optionName, value);
AzureIoTClient 0:e393db310d89 560
AzureIoTClient 0:e393db310d89 561 if (result != IOTHUB_CLIENT_OK)
AzureIoTClient 0:e393db310d89 562 {
AzureIoTClient 0:e393db310d89 563 LogError("underlying transport failed, returned = %s\r\n", ENUM_TO_STRING(IOTHUB_CLIENT_RESULT, result));
AzureIoTClient 0:e393db310d89 564 }
AzureIoTClient 0:e393db310d89 565
AzureIoTClient 0:e393db310d89 566 }
AzureIoTClient 0:e393db310d89 567 return result;
AzureIoTClient 0:e393db310d89 568 }